Adds NameSource (User/Generated/Haiku), the metadata keys behind it, the POST /api/sessions/:id/prompt body, and display helpers both sidebars will read to decide whether a name is provisional. Refs #131
Adds NameSource (User/Generated/Haiku), the metadata keys behind it, the POST /api/sessions/:id/prompt body, and display helpers both sidebars will read to decide whether a name is provisional. Refs #131